Multiply the equation (x-2y=10) by -1
-x+2y=-10
x+3y=5
The x’s cancel out
2y=-10
3y=5
Combine
5y=-5
Divide both sides by 5
y=-1
Plug in y to either original equation
x-2(-1)=10
x+2=10
Subtract 2 from both sides
x=8, y=-1
Answer:
The other one.
Step-by-step explanation:
The other person that answered your question is correct, just confirming it for youuu! :)
Answer:
they both have right angles
The answer is Associative
Step-by-step explanation:
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